This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many suns do we have A) 13. B) 21. C) 1. D) 4. Show Answer Correct Answer: C) 1. 2. If we observe a Doppler blue shift from a distant star, the star must be A) Relatively cool in temperature. B) Moving away from us. C) Moving toward us. D) A blue star. Show Answer Correct Answer: C) Moving toward us. 3. What is the MAJOR reason Earth has seasons? A) Earth has a moon. B) Earth has a magnetic field. C) Earth has a tilted axis. D) Earth has an elliptical orbit. Show Answer Correct Answer: C) Earth has a tilted axis. 4. In relation to us, most galaxies are ..... A) Moving toward us. B) Moving away from us. C) Not moving. D) Much smaller. Show Answer Correct Answer: B) Moving away from us. 5. It is the distance light travels in one year which is about 9, 000, 000, 000 kilometer. A) Year light. B) Light year. C) Lightyear. D) None of the above. Show Answer Correct Answer: B) Light year. 6. A galaxy, such as the Milky Way Galaxy, is very small compared to A) The Solar System. B) The Sun. C) The planet Jupiter. D) The Universe. Show Answer Correct Answer: D) The Universe. 7. What do you call the matter that consists protons, electrons and neutrons? A) Dark energy. B) Dark matter. C) Protostar. D) Baryonic matter. Show Answer Correct Answer: D) Baryonic matter. 8. What is the meaning of the vocabulary word compact? A) A glass. B) Not compact, not packed together. C) Dense, firmly packed together. D) Not sure . Show Answer Correct Answer: C) Dense, firmly packed together. 9. This is a large collection of stars, gas, and dust that is held together by gravity. A) Galaxy. B) Spiral Arms. C) Earth. D) Star. Show Answer Correct Answer: A) Galaxy. 10. One star is moving away from the solar system. What color will the shift be? A) Has a blue shift. B) Has a yellow shift. C) Has a green shift. D) Has a red shift. Show Answer Correct Answer: D) Has a red shift. 11. Which list goes from smallest to largest? A) Galaxy, universe, solar system. B) Solar system, galaxy, universe. C) Solar system, universe, galaxy. D) Universe, galaxy, solar system. Show Answer Correct Answer: B) Solar system, galaxy, universe. 12. What 2 things make up everything in the Universe? A) Matter and Heat. B) Energy and Matter. C) Energy and Dust. D) Mass and Volume. Show Answer Correct Answer: B) Energy and Matter. 13. Which of these is the most recent in the timeline of the universe? A) Gravity. B) Heavy elements. C) Light elements. D) Stars. Show Answer Correct Answer: B) Heavy elements. 14. When it is Winter in Arizona, what season is Australia experiencing? A) Spring. B) Summer. C) Winter. D) Fall. Show Answer Correct Answer: B) Summer. 15. What do scientists call the big explosion that started the universe? A) Ground zero. B) Big bang. C) The explosion. D) None of above. Show Answer Correct Answer: B) Big bang. 16. Cosmic background radiation (microwaves in space) are A) Left over from the initial expansion of the universe. B) Help communication. C) Are created by satellites. D) Are a myth. Show Answer Correct Answer: A) Left over from the initial expansion of the universe. 17. What is a light year? A) The distance that light travels in 10 seconds. B) The time it takes light to travel to the moon. C) The distance that light travels in 1 year. D) The distance around the Earth. Show Answer Correct Answer: C) The distance that light travels in 1 year. 18. All are true about the universe EXCEPT A) It is expanding. B) Its size is unknown. C) It contains areas where little matter exists called voids. D) It was created by the Big Boom. Show Answer Correct Answer: D) It was created by the Big Boom. 19. Which evidence supports the big bang theory? A) Planetesimals form in debris disks. B) Most galaxies are moving toward us. C) Uniform background radiation is detected in every direction. D) Galaxies spin faster than they should based on visible matter. Show Answer Correct Answer: C) Uniform background radiation is detected in every direction. 20. What shape do scientists think the universe is? A) Sphere. B) Triangular. C) Saddle Shaped. D) Flat. Show Answer Correct Answer: A) Sphere. ← PreviousNext →Related QuizzesScience QuizzesThe Universe Quiz 1The Universe Quiz 2The Universe Quiz 3The Universe Quiz 4The Universe Quiz 5The Universe Quiz 6The Universe Quiz 8The Universe Quiz 9The Universe Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books